Cod sursa(job #1321291)

Utilizator Denisa13Stefan Denisa Denisa13 Data 18 ianuarie 2015 22:46:31
Problema Sortare prin comparare Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.79 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");

void quickSort(int arr[], int left, int right)
 {
  int i = left, j = right;
  int tmp;
  int pivot = arr[(left + right) / 2];
  while (i <= j) {
        while (arr[i] < pivot)
              i++;
        while (arr[j] > pivot)
              j--;
        if (i <= j) {
              tmp = arr[i];
              arr[i] = arr[j];
              arr[j] = tmp;
              i++;
              j--;
    }
}
if (left < j)
    quickSort(arr, left, j);
if (i < right)
        quickSort(arr, i, right);
}

int main()
{int a[500000];
int i,j,n,k;
f>>n;
for(i=1;i<=n;i++)
	f>>a[i];
quickSort(a,1,n);
for(i=1;i<=n-1;i++)
	g<<a[i]<<' ';
f.close();
g.close();
return 0;}